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Production Lines 5g Screw Antenna LMR195 and SMA plug
Parameter Definition: Specify antenna gain, bandwidth, and voltage standing wave ratio (VSWR < 1.5) based on 5G frequency bands (Sub-6GHz or millimeter wave).
Simulation and Optimization: Validate radiation patterns, impedance matching, and high-frequency performance using electromagnetic simulation tools (e.g., ANSYS HFSS).
Material Selection: Use low-loss PCB substrates (e.g., Rogers RO4000 series), LMR195 cable (low attenuation, 50Ω impedance), and SMA connectors (high-frequency compatible).
Core Components:
Antenna radiating element (PCB-etched or metal-stamped structure).
LMR195 coaxial cable (pre-cut to designed length).
SMA connector (straight/right-angle, gold-plated contacts).
Screw housing (metal casing, threaded interface, anti-corrosion treatment).
Cable Stripping:
Precisely strip the LMR195 outer jacket to expose the braided shield and inner dielectric.
Expose the inner conductor (core) to match SMA connector soldering requirements.
Shield Handling: Fold back the braided shield or solder it to ensure solid grounding with the connector housing.
SMA Connector Installation:
Solder the inner conductor to the connector’s center pin; crimp/solder the shield to the connector housing.
Use specialized tools to maintain coaxial alignment and avoid impedance discontinuities (critical for 5G high-frequency signals).
Antenna Unit Connection:
Solder the LMR195 inner conductor to the PCB radiating patch or helical structure.
Connect the shield to the PCB ground plane to minimize signal leakage.
Screw Fastening: Securely thread the antenna unit into the housing to ensure mechanical stability.
Sealing: Apply waterproof O-rings or potting compound (IP67 rating for outdoor use).
Electrical Testing:
VSWR Test: Validate impedance matching using a vector network analyzer (VNA) (target: < 1.5).
Radiation Testing: Measure gain, beamwidth, and radiation patterns in an anechoic chamber.
S-Parameter Testing: Ensure S11 < -10 dB (stricter tolerance for 5G high-frequency bands).
Environmental Testing: Perform thermal cycling (-40°C to 85°C) and vibration tests to verify reliability.
Labeling: Mark frequency band, gain, polarization, and other specifications.
ESD-Safe Packaging: Protect high-frequency-sensitive components.
Production Lines 5g Screw Antenna LMR195 and SMA plug
Parameter Definition: Specify antenna gain, bandwidth, and voltage standing wave ratio (VSWR < 1.5) based on 5G frequency bands (Sub-6GHz or millimeter wave).
Simulation and Optimization: Validate radiation patterns, impedance matching, and high-frequency performance using electromagnetic simulation tools (e.g., ANSYS HFSS).
Material Selection: Use low-loss PCB substrates (e.g., Rogers RO4000 series), LMR195 cable (low attenuation, 50Ω impedance), and SMA connectors (high-frequency compatible).
Core Components:
Antenna radiating element (PCB-etched or metal-stamped structure).
LMR195 coaxial cable (pre-cut to designed length).
SMA connector (straight/right-angle, gold-plated contacts).
Screw housing (metal casing, threaded interface, anti-corrosion treatment).
Cable Stripping:
Precisely strip the LMR195 outer jacket to expose the braided shield and inner dielectric.
Expose the inner conductor (core) to match SMA connector soldering requirements.
Shield Handling: Fold back the braided shield or solder it to ensure solid grounding with the connector housing.
SMA Connector Installation:
Solder the inner conductor to the connector’s center pin; crimp/solder the shield to the connector housing.
Use specialized tools to maintain coaxial alignment and avoid impedance discontinuities (critical for 5G high-frequency signals).
Antenna Unit Connection:
Solder the LMR195 inner conductor to the PCB radiating patch or helical structure.
Connect the shield to the PCB ground plane to minimize signal leakage.
Screw Fastening: Securely thread the antenna unit into the housing to ensure mechanical stability.
Sealing: Apply waterproof O-rings or potting compound (IP67 rating for outdoor use).
Electrical Testing:
VSWR Test: Validate impedance matching using a vector network analyzer (VNA) (target: < 1.5).
Radiation Testing: Measure gain, beamwidth, and radiation patterns in an anechoic chamber.
S-Parameter Testing: Ensure S11 < -10 dB (stricter tolerance for 5G high-frequency bands).
Environmental Testing: Perform thermal cycling (-40°C to 85°C) and vibration tests to verify reliability.
Labeling: Mark frequency band, gain, polarization, and other specifications.
ESD-Safe Packaging: Protect high-frequency-sensitive components.
